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130211999 is a prime number
BaseRepresentation
bin1111100001011…
…10000010011111
3100002000110021122
413300232002133
5231313240444
620530521155
73140532551
oct760560237
9302013248
10130211999
1167557225
12377361bb
1320c91128
14134174d1
15b6714ee
hex7c2e09f

130211999 has 2 divisors, whose sum is σ = 130212000. Its totient is φ = 130211998.

The previous prime is 130211971. The next prime is 130212007. The reversal of 130211999 is 999112031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130211999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130211929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65105999 + 65106000.

It is an arithmetic number, because the mean of its divisors is an integer number (65106000).

Almost surely, 2130211999 is an apocalyptic number.

130211999 is a deficient number, since it is larger than the sum of its proper divisors (1).

130211999 is an equidigital number, since it uses as much as digits as its factorization.

130211999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 35.

The square root of 130211999 is about 11411.0472350262. The cubic root of 130211999 is about 506.8549225892.

The spelling of 130211999 in words is "one hundred thirty million, two hundred eleven thousand, nine hundred ninety-nine".